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Finding the Fourth Proportional to 402,801.87, 555,870.06 and 219,041.04

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Solution

The fourth proportional to 402,801.87, 555,870.06 and 219,041.04 is: 302,278.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,801.87 : 555,870.06 = 219,041.04 : x
  2. Step 2: Convert to fraction form
    402,801.87/555,870.06 = 219,041.04/x
  3. Step 3: Cross multiply
    402,801.87x = 555,870.06 × 219,041.04
  4. Step 4: Simplify right side
    402,801.87x = 121,758,356,047.26
  5. Step 5: Solve for x
    x = 121,758,356,047.26/402,801.87
  6. Step 6: Final answer
    x = 302,278.53

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